Amazon.com: Evil Controllers Astro C40 TR Controller Replacement Thumbstick Kit with Pro Tension : Video Games
PlayStation - The Astro C40 TR PS4 controller is available now, featuring swappable sticks and D-pad, plus back-of-controller buttons you can re-map on the fly: https://play.st/AstroC40TR | Facebook
Astro C40 TR Review | Worth a fortune with some unfortunate hiccups - GameRevolution
Best Buy: Astro Gaming C40 TR Wireless Controller for PlayStation 4 and Windows PC 940-000184
Astro C40 TR controller review: Is it worth the money? - Polygon
Astro Gaming C40 TR Controller Review | PCMag
The Astro C40 TR PS4 Controller Has Swappable Analog and D-Pad
ASTRO C40 TR Review - GameSpace.com
Astro C40 TR Gaming Controller Review: Best PS4 & PC Controller | Performance Computer
Become elite wireless controller for PS4 or ASTRO Gaming announces PS4 controller "C40 TR Controller"! - funglr Games